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Finding the Fourth Proportional to 306,018.88, 458,746.84 and 163,961.89

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Solution

The fourth proportional to 306,018.88, 458,746.84 and 163,961.89 is: 245,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,018.88 : 458,746.84 = 163,961.89 : x
  2. Step 2: Convert to fraction form
    306,018.88/458,746.84 = 163,961.89/x
  3. Step 3: Cross multiply
    306,018.88x = 458,746.84 × 163,961.89
  4. Step 4: Simplify right side
    306,018.88x = 75,216,998,917.93
  5. Step 5: Solve for x
    x = 75,216,998,917.93/306,018.88
  6. Step 6: Final answer
    x = 245,792.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.